Viewing a single comment thread. View all comments

Fine-Team-4296 t1_j2sr1fj wrote

There are 4 general types:

The only ime I've seen a variable resistor in real life is in a car. It was for the high medium and low select on a fan speed for heater and a/c. I doubt they would have used them in a house because it would be dangerous due to the heat it creates but who knows.